Order PIR insulation boards for delivery in Stowmarket

Our PIR insulation boards range for Stowmarket jobs

• General-purpose PIR boards2400 × 1200 mm foil-faced boards for floors, walls and roofs.
• Flat roof boardsBoards for warm flat roof build-ups.
• Cavity wall boardsBoards sized for partial-fill cavity insulation.
• Thermal laminate boardsPIR bonded to plasterboard.

Sizing your order

Insulating 24 m² of rafters, floor or wall takes 9 boards of 2400 × 1200 mm including offcuts. The thickness depends on the U-value you need, so check it before you order. Try the insulation calculator

How delivery works in Stowmarket

Boards are light but bulky; they travel in wrapped packs and should be stored flat and dry. Stowmarket is inside our standard mainland delivery area.

• Clear a level area for pallets, ideally on boards, so materials stay out of standing water.
• Keep cement, plaster and boards dry: have a tarpaulin or a garage space ready before they arrive.
• Pallets left on a pavement can block the footway, so plan a drop point inside your boundary where you can.

Before you order PIR insulation boards

Fire considerations

PIR is a combustible product. Building regulations restrict combustible materials in some situations, such as external walls of taller buildings; check what applies.

Sealing joints

Tape the joints with foil tape so the foil layer works as a continuous vapour control layer where the design relies on it.

In England, building work is checked against the Approved Documents, for example Part A for structure and Part L for energy efficiency, through your council's building control team or a registered building control approver.

Your questions answered

How thick should PIR insulation be?

It depends on where it goes and the U-value required. Pitched roofs often need 100 mm or more between and under rafters; floors and walls vary. Use the maker's U-value tables or ask your designer.

What is the foil for?

The foil facing reflects heat, protects the foam and, when joints are taped, can act as a vapour control layer.

Do you deliver PIR insulation boards to trades and homeowners in Stowmarket?

Both. Trades can apply for a trade account; homeowners and self-builders can order on a delivered quote.

How soon can PIR insulation boards be delivered in Stowmarket?

We confirm the delivery date when we price your order, before you commit. It depends on the product, the quantity and whether it is a stock line or made to order.